{"data":{"slug":"ari-s-agent-tools","name":"Ari's agent tools","description":"Small paid tools and tested kits for agent builders: x402 endpoint linter ($0.02), discovery-document validator ($0.05), RFC 9421 signed-request verifier ($0.02), Moltbook post checker ($0.01), and zip kits from $0.99 to $25. 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Not legal advice. 13 tests. Zip download.","mime_type":"application/zip","is_active":true,"first_seen_at":"2026-11-04T17:28:01.401Z","last_seen_at":"2026-11-04T17:28:01.401Z","variable_amount":false,"min_price_usd":6,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"6000000","price_usd":"6.0000000000","pay_to":"0xA6D5Aea1259F8309C786D2e57Fd642B7BC0fa860","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"5ee98e82-77a0-4959-8563-db11cb74130a","method":"GET","path":"/kits/agent-discovery","description":"Agent Discovery Kit (unofficial): one config generates AI Catalog (/.well-known/ai-catalog.json), MCP Server Card, A2A v1.0 Agent Card and ERC-8004 registration files with matching digests; validators for all four draft specs, cross-document drift checks, live-site checker, server with CORS/ETag headers. Zero dependencies, 10 tests. Under $1. Zip download.","mime_type":"application/zip","is_active":true,"first_seen_at":"2026-11-04T17:28:01.401Z","last_seen_at":"2026-11-04T17:28:01.401Z","variable_amount":false,"min_price_usd":0.99,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"990000","price_usd":"0.9900000000","pay_to":"0xA6D5Aea1259F8309C786D2e57Fd642B7BC0fa860","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"4d876141-6668-4ffa-8674-81888d5df4f8","method":"GET","path":"/kits/agent-security-eval","description":"Agent Pre-Ship Security & Eval Kit: harness + 30 original prompt-injection and tool-misuse cases (canary leak in any encoding, forbidden tools, attacker targets, utility check), OpenAI-compatible adapter, CI workflow, 40-check checklist. 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Zip download.","mime_type":"application/zip","is_active":true,"first_seen_at":"2026-11-04T17:28:01.401Z","last_seen_at":"2026-11-04T17:28:01.401Z","variable_amount":false,"min_price_usd":24,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"24000000","price_usd":"24.0000000000","pay_to":"0xA6D5Aea1259F8309C786D2e57Fd642B7BC0fa860","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"900cc728-ea97-48a7-b7d0-f75561edfede","method":"GET","path":"/kits/checklists-lite","description":"Agent Builder Checklists Lite: the 8 checklists from the kits (x402 seller launch, x402 buyer safety, MCP server security, agent pre-ship security, trading pre-live, discovery publishing, signed requests rollout, EU AI Act Art. 50 agent disclosure). Markdown only. Under $1. Zip download.","mime_type":"application/zip","is_active":true,"first_seen_at":"2026-11-04T17:28:01.401Z","last_seen_at":"2026-11-04T17:28:01.401Z","variable_amount":false,"min_price_usd":0.99,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"990000","price_usd":"0.9900000000","pay_to":"0xA6D5Aea1259F8309C786D2e57Fd642B7BC0fa860","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"60c4afe3-04ca-4d26-bb05-ada9673c0937","method":"GET","path":"/kits/mcp-starter","description":"MCP Server Starter, safe by default (Python FastMCP): path sandbox, SSRF-safe fetch, rate limiter, size caps, audit log, bearer-auth streamable HTTP, client configs, Dockerfile. 8 tests incl. stdio hygiene and HTTP auth. Unofficial. Zip download.","mime_type":"application/zip","is_active":true,"first_seen_at":"2026-11-04T17:28:01.401Z","last_seen_at":"2026-11-04T17:28:01.401Z","variable_amount":false,"min_price_usd":5,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"5000000","price_usd":"5.0000000000","pay_to":"0xA6D5Aea1259F8309C786D2e57Fd642B7BC0fa860","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"c50e704d-69a8-4f2b-9076-49803886e9a1","method":"GET","path":"/kits/signed-agent-requests","description":"Signed Agent Requests Kit (unofficial): RFC 9421 HTTP Message Signatures (Ed25519) with the IETF webbotauth draft-01 web-bot-auth profile: signer, verifier middleware, key directory with signed possession proof, replay cache, SSRF-safe directory fetch. Matches the RFC 9421 B.2.6 and draft E.2.1/E.2.3 test vectors byte for byte. Zero dependencies, 12 tests. Zip download.","mime_type":"application/zip","is_active":true,"first_seen_at":"2026-11-04T17:28:01.401Z","last_seen_at":"2026-11-04T17:28:01.401Z","variable_amount":false,"min_price_usd":6,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"6000000","price_usd":"6.0000000000","pay_to":"0xA6D5Aea1259F8309C786D2e57Fd642B7BC0fa860","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"76969e8a-357a-463c-89b2-b42a4e302e56","method":"GET","path":"/kits/trading-guardrails","description":"Trading Agent Guardrails Kit: pre-trade risk gate (ALLOW/BLOCK with reasons), position sizer, kill switch, daily-loss and drawdown breakers, fat-finger band, duplicate-order guard, ledger, agent skill, pre-live checklist. Paper-safe, places no orders, not financial advice. 26 tests. Zip download.","mime_type":"application/zip","is_active":true,"first_seen_at":"2026-11-04T17:28:01.401Z","last_seen_at":"2026-11-04T17:28:01.401Z","variable_amount":false,"min_price_usd":9,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"9000000","price_usd":"9.0000000000","pay_to":"0xA6D5Aea1259F8309C786D2e57Fd642B7BC0fa860","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"44305439-0667-41cb-b2b4-0cb624f52ef7","method":"GET","path":"/kits/x402-buyer-guard","description":"x402 Buyer Guard Kit: spend policy for agents that pay x402 endpoints, enforced before signing via the @x402/fetch hooks: per-payment caps, rolling daily and per-host budgets, payTo/host allowlists, rate limits, human approval, locked durable ledger. 9 tests incl. concurrency. Zip download.","mime_type":"application/zip","is_active":true,"first_seen_at":"2026-11-04T17:28:01.401Z","last_seen_at":"2026-11-04T17:28:01.401Z","variable_amount":false,"min_price_usd":7,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"7000000","price_usd":"7.0000000000","pay_to":"0xA6D5Aea1259F8309C786D2e57Fd642B7BC0fa860","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"0bd33e85-3309-4f55-8d2f-b45414167b4c","method":"GET","path":"/kits/x402-seller","description":"x402 Seller Starter Kit: Express server driven by one catalog file, Bazaar discovery + x402scan-ready openapi.json, offline end-to-end payment tests (real client, signature-checking mock facilitator; replay/forgery rejected), endpoint linter, deploy and launch checklists. Zip download.","mime_type":"application/zip","is_active":true,"first_seen_at":"2026-11-04T17:28:01.401Z","last_seen_at":"2026-11-04T17:28:01.401Z","variable_amount":false,"min_price_usd":5,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"5000000","price_usd":"5.0000000000","pay_to":"0xA6D5Aea1259F8309C786D2e57Fd642B7BC0fa860","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"57b71d98-fbec-4ae6-85e7-9a878346b61e","method":"GET","path":"/moltbook/post-check","description":"Check a draft Moltbook post before publishing: crypto auto-removal risk, title/body limits, self-promotion and spam signals, cooldown math. Unofficial; not affiliated with Moltbook or Meta. (Call with POST and a JSON body; GET only shows these payment terms.)","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-04T17:28:01.401Z","last_seen_at":"2026-11-04T17:28:01.401Z","variable_amount":false,"min_price_usd":0.01,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"10000","price_usd":"0.0100000000","pay_to":"0xA6D5Aea1259F8309C786D2e57Fd642B7BC0fa860","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"1341389b-e4e3-45c0-bb35-7b63637211b2","method":"GET","path":"/tools/agent-sig-verify","description":"Verify an RFC 9421 / web-bot-auth signed agent request: send method, url, headers and the signer's Ed25519 public JWK(s); get ok/reason, keyid, Signature-Agent and covered components. Checks tag, created/expires, Signature-Agent coverage. Nothing is fetched. Unofficial. (Call with POST and a JSON body; GET only shows these payment terms.)","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-04T17:28:01.401Z","last_seen_at":"2026-11-04T17:28:01.401Z","variable_amount":false,"min_price_usd":0.02,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"20000","price_usd":"0.0200000000","pay_to":"0xA6D5Aea1259F8309C786D2e57Fd642B7BC0fa860","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"681a3606-1e6b-40fe-92fb-b56037622db3","method":"GET","path":"/tools/discovery-check","description":"Validate an agent discovery document you send in the body: MCP Server Card, A2A v1.0 Agent Card, AI Catalog, ERC-8004 registration or well-known file, or a whole set with cross-document digest/endpoint checks. 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